Improvement in casters for furniture



Patented Dec. 19, 1871.

SAMUEL S HICKOK Improvement i n Casters for Furniture.

WZ'Z/J www.

UNITED STATES PATENT OFFICE.

SAMUEL S. HICKOCK, OF METHUEN, MASSACHUSETTS.

Specification forming part of Letters Patent No. 122,016, dated December19, 1871.

To all whom t may concern:

Be it known that I, SAMUEL S. HIcKocK, of Methuen, in the county ofEssex and Gommon- Wealth of Massachusetts, have made an invention of anew and useful Improvement in Wheel Casters; and do hereby declare thefollowing to be a full, clear, and exact description thereof, duereference being had to the accompanying drawing making part of thisspecification, and in which- Figure l is an elevation; Fig. 2, avertical section, and Fig. 3 a horizontal section of a easter embodyn gmy improvements.

This invention relates to a caster which has its supporti n gj ournalpivoted within the wheel-supporting block; and it consists in thecombination, with such a caster, of a removable pin passing through theblock into the journal to prevent the rotation of the one independentlyot' the other while the ca-ster is being screwed into the leg of thechair or other article of furniture to which it may be applied.

The drawing accompanying this specification represents atA the wheel orroller, and at B the furcated block, in which the roller is pivoted,such parts being similar to those of casters in use at present. In theblock B is formed a socket, C, into which a journal or short rod, D,extends, the lower extremity of such rod serving to sustain the weight,or its share of the weight, of the object to which the caster isapplied. The rod D extends upward aboye the block B, and is providedwith a ferrule or flange, F, to abut against 'or inclose the lower endof the leg of the object carrying the caster, the upper portion of therod D being formed into a screw, b', to screw into the leg and securethe caster thereto. In this manner is produced a perfect nishedjoint,which permits the block and wheel to rotate together about the journalwith the utmost freedom of motion and with entire absence of noise orshake, as the screw is forced tight-ly into the wood and the jointbetween the rod D, and its step o1' socket is tight and noiseless. Inorder that the block or wheel shall not drop away from the rod orsuspensory D, I cut a peripheral groove, a, in its circumference andextend into this groove a pin, b', which is advanced through the blockand so to intercept such groove; while in order that the rotary motionof the block about the rod may be stopped and the screw rotated with theblock, when applying the caster to use, I bore through the block andinto the rod a hole, c, into which a pin, d, may be inserted. The screwb' may in some instances be omitted, and the rod.

D formed with a head and applied directly to the leg ofthe article offurniture.

I do not claim, broadly, a caster having its supporting-journal pivotedwithin the wheel-supporting block; but

What I claim as my invention, and desire to secure by Letters Patent, is

The combination in a caster, such as described, with the rod or journalD and wheel-supporting block B of the removable pin d, substantially asand for the purposes shown and set forth.

SAMUEL S. HIGKOCK.

Witnesses:

FRED. CURTIS, EDW. GRIFFITH. (24)

